.nav-header {
  box-sizing: border-box;
  padding: 0 20px;
  position: absolute;
  width: 100%;
  height: 40px;
  background-color: #fff;
  box-shadow: 0 2px 2px 0 #e5e5e5;
  left: 0;
  top: 60px;
  display: flex;
  align-items: center;
  z-index: 9;
}
